Adding Python 3 trove classifiers
Adding Python 3 trove classifiers

johndeng/mock,frankier/mock,derwiki-adroll/mock,sorenh/mock,fladi/mock,lord63-forks/mock,OddBloke/mock,dannybtran/mock,nett55/mock,rbtcollins/mock,pypingou/mock,scorphus/mock,kostyll/mock,testing-cabal/mock